Class 12 NEET Physics Semiconductor Electronics Part 1

Question : 9 of 100

Marks: +1, -0

C and Si both have same lattice structure, having 4 bonding electrons in each. However, C is insulator whereas Si is intrinsic semiconductor. This is because

(2012)

In case of C the valence band is not completely filled at absolute zero temperature.
In case of C the conduction band is partly filled even at absolute zero temperature.
The four bonding electrons in the case of C lie in the second orbit, whereas in the case of Si they lie in the third.
The four bonding electrons in the case of C lie in the third orbit, whereas for Si they lie in the fourth orbit.

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